diff options
Diffstat (limited to 'bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/TimeoutContext.java')
| -rw-r--r-- | bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/TimeoutContext.java | 385 |
1 files changed, 0 insertions, 385 deletions
diff --git a/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/TimeoutContext.java b/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/TimeoutContext.java deleted file mode 100644 index e8e70af13..000000000 --- a/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/TimeoutContext.java +++ /dev/null @@ -1,385 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2003 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.compare.internal; - -import java.lang.reflect.InvocationTargetException; - -import org.eclipse.swt.SWT; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.layout.*; -import org.eclipse.swt.widgets.*; - -import org.eclipse.jface.dialogs.*; -import org.eclipse.jface.operation.*; -import org.eclipse.jface.resource.JFaceResources; - -import org.eclipse.core.runtime.*; - -/** - * A modal dialog that displays progress during a long running operation. - */ -public class TimeoutContext { - - private static class ModalContextThread extends Thread { - - private boolean fWorking; - private IRunnableWithProgress fRunnable; - private Throwable fThrowable; - private IProgressMonitor fProgressMonitor; - private boolean fContinueEventDispatching= true; - private Display fDisplay; - - private ModalContextThread(IRunnableWithProgress operation, IProgressMonitor monitor) { - super("TimeoutContext"); //$NON-NLS-1$ - fRunnable= operation; - fProgressMonitor= monitor; - } - - synchronized boolean timeout(Display display) { - fDisplay= display; - return fWorking; - } - - public void run() { - try { - fWorking= true; - if (fRunnable != null) - fRunnable.run(fProgressMonitor); - } catch (InvocationTargetException e) { - fThrowable= e; - } catch (InterruptedException e) { - fThrowable= e; - } catch (RuntimeException e) { - fThrowable= e; - } catch (ThreadDeath e) { - // Make sure to propagate ThreadDeath, or threads will never fully terminate - throw e; - } catch (Error e) { - fThrowable= e; - } finally { - fWorking= false; - - if (fDisplay != null) { - // Make sure that all events in the asynchronous event queue - // are dispatched. - fDisplay.syncExec( - new Runnable() { - public void run() { - // do nothing - } - } - ); - - // Stop event dispatching - fContinueEventDispatching= false; - - // Force the event loop to return from sleep () so that - // it stops event dispatching. - fDisplay.asyncExec(null); - } - } - } - - public void block() { - while (fContinueEventDispatching) - if (!fDisplay.readAndDispatch()) - fDisplay.sleep(); - } - } - - static class ProgressMonitorDialog extends org.eclipse.jface.dialogs.Dialog { - - protected ProgressIndicator fProgressIndicator; - protected Label fTaskLabel; - protected Label fSubTaskLabel; - protected Button fCancel; - protected boolean fEnableCancelButton; - private ProgressMonitor fProgressMonitor; - private Cursor fArrowCursor; - private Cursor fWaitCursor; - private Shell fParentShell; - - private ProgressMonitorDialog(Shell parent, boolean cancelable, ProgressMonitor pm) { - super(parent); - fProgressMonitor= pm; - fParentShell= parent; - fEnableCancelButton= cancelable; - this.setBlockOnOpen(false); - setShellStyle(SWT.BORDER | SWT.TITLE | SWT.APPLICATION_MODAL); // no close button - } - - public boolean close() { - if (fCancel != null && !fCancel.isDisposed()) - fCancel.setCursor(null); - Shell shell= getShell(); - if (shell != null && !shell.isDisposed()) - shell.setCursor(null); - if (fArrowCursor != null) - fArrowCursor.dispose(); - if (fWaitCursor != null) - fWaitCursor.dispose(); - fArrowCursor= null; - fWaitCursor= null; - return super.close(); - } - - protected void configureShell(Shell shell) { - super.configureShell(shell); - shell.setText(JFaceResources.getString("ProgressMonitorDialog.title")); //$NON-NLS-1$ - if (fWaitCursor == null) - fWaitCursor= new Cursor(shell.getDisplay(),SWT.CURSOR_WAIT); - shell.setCursor(fWaitCursor); - } - - protected void createButtonsForButtonBar(Composite parent) { - // cancel button - fCancel= createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, true); - if(fArrowCursor == null) - fArrowCursor= new Cursor(fCancel.getDisplay(),SWT.CURSOR_ARROW); - fCancel.setCursor(fArrowCursor); - fCancel.addListener(SWT.Selection, - new Listener() { - public void handleEvent(Event e) { - if (fCancel != null && !fCancel.isDisposed()) - fCancel.setEnabled(false); - fProgressMonitor.setCanceled(true); - } - } - ); - fCancel.setEnabled(fEnableCancelButton); - } - - protected Control createDialogArea(Composite parent) { - - Composite c= (Composite)super.createDialogArea(parent); - ((GridLayout)c.getLayout()).numColumns= 2; - - // icon - Label iconLabel= new Label(c, SWT.LEFT); - GridData gd= new GridData(); - iconLabel.setLayoutData(gd); - iconLabel.setFont(parent.getFont()); - Image i= JFaceResources.getImageRegistry().get(org.eclipse.jface.dialogs.Dialog.DLG_IMG_INFO); - if (i != null) - iconLabel.setImage(i); - else - iconLabel.setText(JFaceResources.getString("Image_not_found")); //$NON-NLS-1$ - - // label on right hand side of icon - fTaskLabel= new Label(c, SWT.LEFT | SWT.WRAP); - fTaskLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); - fTaskLabel.setFont(parent.getFont()); - - // progress indicator - fProgressIndicator= new ProgressIndicator(c); - gd= new GridData(); - gd.heightHint= 15; - gd.horizontalAlignment= GridData.FILL; - gd.grabExcessHorizontalSpace= true; - gd.horizontalSpan= 2; - fProgressIndicator.setLayoutData(gd); - - // label showing current task - fSubTaskLabel= new Label(c, SWT.LEFT | SWT.WRAP); - gd= new GridData(GridData.FILL_HORIZONTAL); - gd.heightHint= 35; - gd.horizontalSpan= 2; - fSubTaskLabel.setLayoutData(gd); - fSubTaskLabel.setFont(parent.getFont()); - - // update with values fProgressMonitor - String s= fProgressMonitor.fTask; - if (s == null) - s= ""; //$NON-NLS-1$ - fTaskLabel.setText(s); - - if (fProgressMonitor.fMaxWork == IProgressMonitor.UNKNOWN) - fProgressIndicator.beginAnimatedTask(); - else - fProgressIndicator.beginTask(fProgressMonitor.fMaxWork); - - if (fProgressMonitor.fSubTask != null) - fSubTaskLabel.setText(fProgressMonitor.fSubTask); - fProgressIndicator.worked(fProgressMonitor.fWorked); - - fProgressMonitor.activate(this); - applyDialogFont(c); - return c; - } - - void beginTask(final String name, final int totalWork) { - fParentShell.getDisplay().syncExec( - new Runnable() { - public void run() { - fTaskLabel.setText(name); - - if (fProgressIndicator != null && fProgressIndicator.isDisposed()) { - if (totalWork == IProgressMonitor.UNKNOWN) - fProgressIndicator.beginAnimatedTask(); - else - fProgressIndicator.beginTask(totalWork); - } - } - } - ); - } - - void setTaskName(final String name) { - fParentShell.getDisplay().syncExec( - new Runnable() { - public void run() { - if (fTaskLabel != null && fTaskLabel.isDisposed()) - fTaskLabel.setText(name); - } - } - ); - } - - void setSubTaskName(final String name) { - fParentShell.getDisplay().syncExec( - new Runnable() { - public void run() { - String n= (name == null) ? "" : name; //$NON-NLS-1$ - if (fSubTaskLabel != null && !fSubTaskLabel.isDisposed()) - fSubTaskLabel.setText(n); - } - } - ); - } - - void done() { - fParentShell.getDisplay().syncExec( - new Runnable() { - public void run() { - if (fProgressIndicator != null && !fProgressIndicator.isDisposed()) { - fProgressIndicator.sendRemainingWork(); - fProgressIndicator.done(); - } - } - } - ); - } - - void worked(final double work) { - fParentShell.getDisplay().syncExec( - new Runnable() { - public void run() { - if (fProgressIndicator != null && !fProgressIndicator.isDisposed()) - fProgressIndicator.worked(work); - } - } - ); - } - - protected Point getInitialSize() { - return getShell().computeSize(450, SWT.DEFAULT); - } - } - - private static class ProgressMonitor implements IProgressMonitor { - - private int fMaxWork; - private String fTask; - private String fSubTask; - private int fWorked; - private ProgressMonitorDialog fProgressMonitorDialog; - private boolean fIsCanceled; - - public void beginTask(String name, int totalWork) { - - fTask= name; - fMaxWork= totalWork; - fWorked= 0; - - if (fProgressMonitorDialog != null) - fProgressMonitorDialog.beginTask(name, totalWork); - } - - void activate(ProgressMonitorDialog dialog) { - fProgressMonitorDialog= dialog; - } - - public void done() { - if (fProgressMonitorDialog != null) - fProgressMonitorDialog.done(); - } - - public void setTaskName(String name) { - fTask= name; - if (fProgressMonitorDialog != null) - fProgressMonitorDialog.setTaskName(name); - } - - public boolean isCanceled() { - return fIsCanceled; - } - - public void setCanceled(boolean b) { - fIsCanceled= b; - } - - public void subTask(String name) { - fSubTask= name; - if (fProgressMonitorDialog != null) - fProgressMonitorDialog.setSubTaskName(name); - } - - public void worked(int work) { - if (fProgressMonitorDialog != null) - internalWorked(work); - else - fWorked+= work; - } - - public void internalWorked(double work) { - if (fProgressMonitorDialog != null) - fProgressMonitorDialog.worked(work); - } - } - - public static void run(boolean cancelable, int timeout, Shell parent, IRunnableWithProgress runnable) throws InvocationTargetException, InterruptedException { - - Display display= parent.getDisplay(); - - ProgressMonitor pm= new ProgressMonitor(); - - ModalContextThread t= new ModalContextThread(runnable, pm); - t.start(); // start the long running operation - - // wait until long operations terminates or timeout - try { - t.join(timeout); - } catch (InterruptedException e) { - // silently ignored - } - - if (t.timeout(display)) { // timeout - ProgressMonitorDialog dialog= new ProgressMonitorDialog(parent, cancelable, pm); - dialog.open(); - t.block(); - dialog.close(); - } - - Throwable throwable= t.fThrowable; - if (throwable != null) { - if (throwable instanceof InvocationTargetException) { - throw (InvocationTargetException) throwable; - } else if (throwable instanceof InterruptedException) { - throw (InterruptedException) throwable; - } else if (throwable instanceof OperationCanceledException) { - throw new InterruptedException(throwable.getMessage()); - } else { - throw new InvocationTargetException(throwable); - } - } - } -} - |